Puberty Stage Line Diagrams and SDS for Tanner Pubertal Stages R package tanner version 1.8.0 Plots Tanner pubertal stage measurements (genital, pubic hair, testicular volume, breast, menarche) against Dutch 1997 growth-study references as stage line diagrams, and converts observed stages to age-conditional standard deviation scores (SDS). Testicular volume can be entered as a raw orchidometer reading in ml. Implements the method of van Buuren and Ooms (2009) <doi:10.1002/sim.3567>. Software Depends: R (>= 3.5.0) Imports: haven Suggests: testthat (>= 3.0.0), knitr, rmarkdown Stef van Buuren <stef.vanbuuren@tno.nl> Comprehensive R Archive Network (CRAN) Stef van Buuren [aut, cre], Jeroen Ooms [aut] MIT + file LICENSE (https://CRAN.R-project.org/package=tanner/LICENSE) 2026-08-06 application/tgz https://CRAN.R-project.org/package=tanner doi:10.32614/CRAN.package.tanner